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tablet: skip tablet_flush() if our current tool type is none

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If a tablet never sends a BTN_TOOL_foo, we never update the tool and we remain
on the 'none' tool.

Somewhat related to:
https://bugzilla.redhat.com/show_bug.cgi?id=1535755
https://bugs.freedesktop.org/show_bug.cgi?id=104911

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2018-02-02 11:24:55 +10:00
parent 44426b460c
commit 26705762e2
1 changed files with 9 additions and 5 deletions
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14
src/evdev-tablet.c
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@ -1556,11 +1556,15 @@ tablet_flush(struct tablet_dispatch *tablet,
struct evdev_device *device,
uint64_t time)
{
struct libinput_tablet_tool *tool =
tablet_get_tool(tablet,
tablet->current_tool_type,
tablet->current_tool_id,
tablet->current_tool_serial);
struct libinput_tablet_tool *tool;
if (tablet->current_tool_type == LIBINPUT_TOOL_NONE)
return;
tool = tablet_get_tool(tablet,
tablet->current_tool_type,
tablet->current_tool_id,
tablet->current_tool_serial);
if (!tool)
return; /* OOM */